Submission #223650

#	Time	Username	Problem	Language	Result	Execution time	Memory
223650		DedMaxim	Aliens (IOI16_aliens)	C++17	4 / 100	7 ms	512 KiB

aliens

#include <bits/stdc++.h>

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
    std::vector<std::vector<bool>> used(m, std::vector<bool>(m, false));

    for (int i = 0; i < n; ++i) {
        int left = r[i], right = c[i];
        if (left > right)
            std::swap(left, right);

        for (int x = left; x <= right; ++x) {
            for (int y = left; y <= right; ++y) {
                used[x][y] = true;
            }
        }
    }

    long long result = 0;
    for (int x = 0; x != m; ++x) {
        for (int y = 0; y != m; ++y) {
            result += used[x][y];
        }
    }
    return result;
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40